dedecms实现首页顶部会员登陆框的方法

/*---------- head ---------*/
.header{
width:100%;
width:960px;
margin:auto;
overflow:hidden;
}
.header_top{
height:32px!important;
height:31px;
line-height:32px;
color:#676767;
overflow:hidden;
background:url(../images/top_bg.gif) repeat-x;
}
.center{
margin:0px auto;
}
.w960{
width:960px;
/*position:relative;*/
}
.header_top .time{
float:left;
padding-left:10px;
}
.header_top .toplinks{
float:right;
text-align:right;
}
.header_top .toplinks a{
margin:0 5px;
}
.header .top{
clear:both;
overflow:hidden;
margin-top:10px;
}
.header .title{
float:left;
}
.header .title h1 a{
width:386px;
height:58px;
display:block;
overflow:hidden;
}
.header .banner{
width:434px;
height:55px;
float:right;
margin-left:20px;
overflow:hidden;
}
.ipt-txt{
width:100px;
border:1px #CFCFCF solid;
}
.fb{
color:#333333;
}
.btn-1{
background: url("../images/comm-bt.gif") no-repeat scroll 0 0 transparent;
border: medium none;
color: #585858;
cursor: pointer;
height: 24px;
letter-spacing: 1px;
line-height: 25px;
overflow: hidden;
width: 70px;
}